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1. Descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 & 88.2 for the years 2000–01 to 2012–13

   Abstract:  We provide an update of the descriptive analyses of the toothfish tagging programme in ... tagging rate of one toothfish per tonne of catch in the Ross Sea region. Tag recapture data showed that ... 88.2H- north, and 1 from 88.2F- slope). The total number of recaptures in 2012 was lower than in 2010 ... and 2011, but the total number of recaptures in 2013 was very similar 2010 and 2011 and about double ...

   Meeting Document : WG-FSA-13/49 : Autor(es): S. Parker, A. Dunn, S. Mormede and S. Hanchet (New Zealand)

2. Standardised CPUE analysis of Antarctic toothfish (Dissostichus mawsoni) fishery in the Ross Sea for the years 1997/98 to 2004/05

   decline in 2004 or the increase in 2005. Lack of a balanced experimental design and possibly the choice of ... ) since 1997 in CCAMLR Subareas 88.1 and 88.2. Previously, standardised analysis of toothfish CPUE (catch ... per hook) have been carried out in 2004 calculated CPUE indices for the 1997–98 to 2003–04 fishing ... years in Subarea 88.1 and 88.2. This report revises and updates the previous analysis with the addition ...

   Meeting Document : WG-FSA-05/32 : Autor(es): A. Dunn and N.L. Phillips (New Zealand)

3. Proposal for an extension to the mark-recapture experiment to estimate toothfish population size in the South of Subarea 48.4

   Abstract:  A three‐year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 ... , size, movement and growth of both Dissostichus eleginoides and Dissostichus mawsoni in the South of ... total of 794 tagged fish in the water, respectively. A total of 13 D. eleginoides and 22 D. mawsoni were ... spp. in the South than previously anticipated. In addition there are signs of significant stock ...

   Meeting Document : WG-FSA-10/40 : Autor(es): J. Roberts and D. Agnew (UK)

4. Characterisation of the toothfish fishery in the Ross Sea region (Subarea 88.1 and SSRUs 88.2A–B) through 2018/19

   the 2019 season. The implementation of the Ross Sea Region Marine Protected area in December of 2017 ... in the north, becoming gradually more male. The number of fish recaptured in 2019 was greater than in ... a result of more tagged fish in the population and greater concentration of fishing effort on ... Abstract:  This report summarises fishing catch and effort in the Ross Sea region (Subarea 88.1 ...

   Meeting Document : WG-FSA-2019/07 : Autor(es): J. Devine, S. Parker and A. Dunn

5. Environmental variability and the behavioural dynamics of Antarctic fur seals in the South Atlantic

   Abstract:  Variability in the reproductive performance of marine predators may be a result of ... . This study examined variation in the foraging behavior of lactating Antarctic fur seals (Arctocephalus ... gazella) over 15 years at the island of South Georgia in relation to major indices of southern hemisphere ... little effect of a krill recruitment index upon the fur seal foraging index, either alone or when in ...

   Meeting Document : WS-AREA 48-98/16 : Autor(es): I.L. Boyd (UK)

6. Results from the random stratified trawl surveys to estimate distribution and abundance of Dissostichus eleginoides and Champsocephalus gunnari in the Heard Island region (Division 58.5.2) for 2010 and 2011

   2011 on the RV Southern Champion, adding to the time series of annual surveys in Division 58.5.2 that ... % of the 2011 catch. In 2011 the abundance of L. squamifrons was higher, and C. rhinoceratus lower than ... of invertebrates was reported in the 2010 survey, consisting mostly of poriferan sponges, anemones ... of Dissostichus eleginoides and Champsocephalus gunnari in the Heard Island region (Division 58.5.2 ...

   Meeting Document : WG-FSA-11/23 : Autor(es): G.B. Nowara, S.G. Candy and T. Lamb (Australia)

7. Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 2000 winter and the 2000/01 breeding season

   entanglements over the 2000 winter than in 1999; some of which can be explained by interannual variation in the ... injuries accounted for 35% of entanglements over winter and 23% during the summer. As in previous years ... entangled males in the winter compared to summer reflects the sex ratio of Antarctic fur seals ashore over ... entanglements in both the summer and winter periods. The prevalence of these bands in the Southern Ocean marine ...

   Meeting Document : SC-CAMLR-XX/BG/03 : Autor(es): Delegation of the United Kingdom

8. Modelling the dynamics of krill populations in the Antarctic Peninsula region

   estimates of recruitment to the population can be used to model in detail interannual variation in the ... dynamics of krill are used to assess to what extent they can explain the observed changes in the density of ... Abstract:  The current long-term estimates of mean recruitment rates suggest that the population ... population dynamics of krill and estimate the expected mortality rates. A number of models of the population ...

   Meeting Document : WG-EMM-99/56 : Autor(es): E.J. Murphy (United Kingdom), A. Constable (Australia) and D. Agnew (United Kingdom)

9. Estimates of the tag loss rates for single and double tagged toothfish (Dissostichus mawsoni) fishery in the Ross Sea

   introduce negligible bias of less than 0.5% with less than 1% change in the overall estimated variance (mean ... modelling of the Antarctic toothfish (Dissostichus mawsoni) populations in Subarea 88.1 and 88.2. The ... rate of failure (λ = 0.039 y-¹), but no evidence of a change in the failure rate over time. It is ... plausible that there could be a catastrophic failure of tags or some other systematic change in the tag loss ...

   Meeting Document : WG-SAM-11/18 : Autor(es): A. Dunn, M.H. Smith (New Zealand), D.J. Agnew (UK) and S. Mormede (New Zealand)

10. Entanglement of Antarctic fur seal Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 2001 winter and the 2002 breeding season

    entangled during the pup-rearing period suggesting an increased presence of man-made debris in the waters in ... discussed. Plastic packaging bands and synthetic strings accounted for the majority of all entanglements in ... both winter and summer. Loops of synthetic string, as used in longline fishing, is now the most ... monitoring and increased effort in ensuring correct disposal of debris with the potential to entangle ...

    Meeting Document : SC-CAMLR-XXI/BG/04 : Autor(es): Delegation of the United Kingdom

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